Datasheet

241
4341H–MP3–10/07
AT8xC51SND2C/MP3B
20.1 Mode Selection................................................................................................... 168
20.2 Baud Rate Generator ......................................................................................... 168
20.3 Synchronous Mode (Mode 0) ............................................................................. 169
20.4 Asynchronous Modes (Modes 1, 2 and 3).......................................................... 171
20.5 Multiprocessor Communication (Modes 2 and 3) ............................................... 175
20.6 Automatic Address Recognition ......................................................................... 175
20.7 Interrupt .............................................................................................................. 177
20.8 Registers ............................................................................................................ 178
21. Two-wire Interface (TWI) Controller ................................................... 181
21.1 Description ......................................................................................................... 181
21.2 Registers ............................................................................................................ 195
22. Analog to Digital Converter ................................................................ 199
22.1 Description ......................................................................................................... 199
22.2 Registers ............................................................................................................ 202
23. Keyboard Interface .............................................................................. 204
23.1 Description ......................................................................................................... 204
23.2 Registers ............................................................................................................ 205
24. Electrical Characteristics .................................................................... 207
24.1 Absolute Maximum Rating ................................................................................. 207
24.2 DC Characteristics ............................................................................................. 207
24.3 AC Characteristics.............................................................................................. 219
24.4 SPI Interface....................................................................................................... 224
25. Ordering Information ........................................................................... 234
26. Package Information ............................................................................ 235
26.1 CTBGA100 ......................................................................................................... 235
27. Datasheet Revision History ................................................................ 236
27.1 Changes from 4341A - 10/04 to 4341B - 01/05.................................................. 236
27.2 Changes from 4341B - 01/05 to 4341C - 03/05 ................................................. 236
27.3 Changes from 4341C - 03/05 to 4341D - 04/05 ................................................. 236
27.4 Changes from 4341D - 04/05 to 4341E - 06/05 ................................................. 236
27.5 Changes from 4341E - 06/05 to 4341F - 03/06 .................................................. 237
27.6 Changes from 4341F - 03/05 to 4341G - 07/07 ................................................. 237
27.7 Changes from 4341G - 07/07 to 4341H - 10/07 ................................................. 237